{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x0d6901120c7f6dc7716d6b7309e5289a9cf43248a0d7f88130b890646fda6625",
    "signature": "0xd8d5b5519382c09c0998fc7652fe2c46bf89f07aa0658c410af455a2d33906f31a6bac8678b3f5c24a22313fbd89d260b0421a0a5c9781ec81a2b241f5d510e91b",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}