{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "599751364",
    "entityType": "User",
    "nonce": "0x47310675b45000643b7870e63813fb4096f82a05ea774d0194790a3805b99d50",
    "signature": "0xf36069f9a307ef0aeea6a963dbadb6a2cd8ed58067d0fed1c6437ad9b47d5a831733b91e7c960c0b770913c14c832b3c6d431f6a7a4e9f24d4810995113606b41c",
    "signer": "0xAdC6790E696cBd15c39A613CbEE1BBDbbf0aE923",
    "userId": "995159948"
  }
}