{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x77100ec2c1a227465052d18de4c53ba0910ca8626edbf391e97167ccc95fe14c",
    "signature": "0x9f14c72e8666ce88ea24ffda07d03c64beddf31c99cc236d7169af128181a8b709439a2eb04726f4a97f08e27d9b2df462ed9779e8da22d955c5f044bab973d21b",
    "signer": "0x267b44Dd67D6e97b226493ed5BdAE0D639cA73aC",
    "userId": "942721157"
  }
}