{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xd250210c112c5a5862db27d9f4520761410040e35695d94fc7c763c68c076635",
    "signature": "0xc2770ba022c080c34ebcce5176b774da6888a156f4aa460262537e1309f00d4f5fd855a20e2bbe318d92648983cd086c8aef52bbd4d307bfce8bb57aa1e8cab51c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}