{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55901",
    "entityType": "User",
    "nonce": "0x855630b0747a9389e3f3ecf2ad75d9bd750fb37e06e623942f40410ed7105460",
    "signature": "0xcf3340032ae949b53185cc2e04bc36728e611a461edb393dcdd6d811461c37d74ddb309989ed2ebedcda3965932be750178285aa5a99d6fc2a1fa416a0e6638f1c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}