{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0xf5856a9e9f6c46bfe1f1e9bc598e2a8e9e1f1fc0dd2ea763e5b898603ca209e3",
    "signature": "0xaab79000c58a55b69dae8bd24ac03daa40660aac0100d3a2ce29d52fa39610c455812f5cc0261393a90610c42ef4679058821a66808a8c8533a37e28b7af901e1b",
    "signer": "0x789F486f6C0BEcF3D1E3B3D82c61D526Fc7Edca6",
    "userId": "57299423"
  }
}