{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0258c53b2b0c782a86b7f149ef48fa443f334e8b28feb639e980c3be99ae75fc",
    "signature": "0xb7ac280b2134cfc365e2b0a59eb02ff8f1575004a159edcfef37273eaee05a28202c618e96dd96ae608fddade1d4bb5353521ff71c39ff5f1095478c3bdff1711c",
    "signer": "0x4C4841CcA077D753614283FeC6685b83DBf77Ca4",
    "userId": "232719114"
  }
}