{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x6f5961bf51cfcd992e3d49541927d96859a1e440f18b6232fe019ef395d51ad6",
    "signature": "0x48e215a5af15d8eb7131d7b5fda7b15c072fb9efbe8bd911f681754aa16413335a51e72f6a5f8330ff7b8773aba2afbed4cbd919d3a089b90b54cf9f2d5acad91b",
    "signer": "0x2D318cbd2a700036101dcCB4a65e4D9a0A19Bea2",
    "userId": "785729248"
  }
}