{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x02da84efe829ae400ec082b755b3a09b37998894712c007b8d801a2b261e7d4c",
    "signature": "0x22e35414bc1276bc59d7635c3a30ca55296e2966b019d9ada7a0ce39579b199321379aeb5cb7e5689d0483a7e9e0076827c963a4b5f28e6a474546878a319c4d1b",
    "signer": "0x1762311451f81FD83EF02A8dAE43855C5ce1713B",
    "userId": "613326373"
  }
}