{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0xc061cf1f378dc1d01e1b8937c4706ecf89ce6ccb5a5c559bcd840bfe4b891c7d",
    "signature": "0xdfc45e7b503f2390517c2100d5e103b1087e5af3651c5334e12c6b0d5ee0e0e626eba4bd1d9429ba7f8e899ff620508aa24527a7fe3419ee7d8541d3099d7a951b",
    "signer": "0x857E85371c7c9853684bc531085b1Aedf8183A8d",
    "userId": "729406477"
  }
}