{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58042",
    "entityType": "User",
    "nonce": "0xc6b519990de47b4ed483f8ede906f7ee2ab364510d0a351781f616bb529a3dc8",
    "signature": "0xe8c90bb7cc559665587d8637d20619cc9bbc7b490175ee8451b8b97c72b3b7b3312d922bf4579d70b34afd7a67e8d433f1c26feeae836a3a078d9d7fddb203461b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}