{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37956",
    "entityType": "User",
    "nonce": "0xcf4863cc5f1526378daf77b87def8bb1a53e1be44e48718c42ed80f4fd142fc1",
    "signature": "0x8d561e3b6055de44233ba0092a1a090e753d2210f88642694e10c7e6556c24cc7622622b03f7cb03a0209533fc9c55748e22f2316d57f7e8755eea586649f9c11c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}