{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89226",
    "entityType": "User",
    "nonce": "0x2c7200fba397efe10cf6cc2b4c74be7984469b861abc6c07a14311ba39e4d1cd",
    "signature": "0xb1c4fa2d61ac2f10a4f02ec77f9fa6e307a91cef19003d8f95d4220261e0e406077f5d641f3faf8dda53ea15c202dad2d6df16e7bb98d4c928b27d2297a472ad1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}