{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xda91f29cbc18d8e9012c5da8e9fe2922bec170a4a87d5e45c283d211dea9a0e9",
    "signature": "0xc7eeecf2bd4ba9983d69e3b3a853385329473f0d7b5c255835268447f279893e6ff6fc2ca752272da937a1497d920d560d2466066791f27b2fb95b90ff973f911c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}