{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0xe2e5ef3f77785988f57ef3a0f6ada21ee8822cf59a5c86b210d8dc22f669dfd3",
    "signature": "0xdf4660df2ede189cdbe791ceb9e0a0a358276d53802374e6a1b71084cf0cb0d3330bfe88f2bbdd2259e7e6cd0f38b016b5f6ebc68871ceddd670ad37c79c83de1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}