{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154920",
    "entityType": "User",
    "nonce": "0x24955fe98a13c3d4a7263337232f954e4501000cadb692c0743d95e8f1922c7a",
    "signature": "0x93b25c75d5e3ffd7b7ffacce70d69c28e6bb734b2df6d076ce7d9328a62c158e65c0c575b1953c44683ccfa1243773408d5634f25cb0b3255c93484a046e6c151c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}