{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x9c563df3d146fe4aef6f664a9810bfc5521988cdbdd3cc289bc9d66330f9368d",
    "signature": "0x667bbb774d9cf85524283086409fd28d2f55f4b135cecc97bea221d778d9d7844c4a05e0c68041f31ca728d0e1c118c90ea75e5dd0d1d23a79e61688b861663f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}