{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800871513",
    "entityType": "User",
    "nonce": "0xaf8d76f749710e9eb5dae90c0ea33067fb302d8a27348c9eb6c8798b3d266a2d",
    "signature": "0xa8d95854f3a7c653bb8902734358ff6a34af5b8000620221015888d5195162105f453f4939567c011c5a704763a1e95e2d86bdfba12204df820fc9d6a251962f1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}