{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144",
    "entityType": "User",
    "nonce": "0x26d18cc9f5786bb76e9b81da1e9859a301bf26a8de0646188b13c151fc5510ff",
    "signature": "0xa55355ede7ebecd7b1b396568364d3a3a9bcc88f740f3494c02d4e756244d2683f0346af4a9d50e74af3c5b0dd74036979e71d4a80d823b787c11f7a2f6071e91b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}