{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0xb5e6b48b4ca1d34c68ab3cc4dc03917323c4da2fe4254ec9a475d1098429c159",
    "signature": "0x51c6cc0a1cc11e416cc9b6bde1c633339af7c67d1faf4fdbb939d9c100c238ca2bba2516ce4d6e8f51e5901037ecbc94185c606803eb3b2f446502feaf42ac5c1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}