{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0x5a3c836ea65a4670d1204c2a7ed3ce5b45f2eb4831eb2778fd8cd614e7e0a070",
    "signature": "0xe8fc2a0c2212338502ad3a07e44d76e4ab31752ca10b3e74f29a0cd59f0ff67d53b1ea04cdedec2e88298a67cf623cc568e162c5afa5e1e53cc9da5b696b5e8a1b",
    "signer": "0x376F8aABFbEA5892b16eeFf35C8504520846f157",
    "userId": "45556078"
  }
}