{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3617",
    "entityType": "User",
    "nonce": "0xa5e64c884f3ff6e5d0e69c1fd4df0c5cd82498e6900d4b3a768cd5b860111933",
    "signature": "0x88d76308128c4fc5d369df33c77b29846363dfac66d04de833567e6ba47bc02375be87232f1cd2b4eb03b7b94b395a128087b0f866d217fd023fab8bc4b0e09e1c",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}