{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0x2b690ab58892b89e2c9963c2572c6d24c3c8e974bc8ff961b3274fdfeb9bd3bf",
    "signature": "0x459e234729d0677f3991619fc2e4764b8d646454f3c10eb2b08e562ddbc1f1ff10af205ee809fb7d35679f001c81397ebb246953ea2f30d818765ab9ca65d5b41b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}