{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x131b349f7a10e16660b88c177435b845703ed417fa6b935f7cb860f2bb6e81ba",
    "signature": "0xb51b2c592f163159e3d8ad28d9e38b3c1de24058445165638af3df4b882d716e60a020c0604863cea6e89fbddfe1995c07fa57bebf9182c7f82cce2a388785c41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}