{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311566",
    "entityType": "User",
    "nonce": "0x2d79f04b1c1511976a6d6e407dae27bb96f5baadc1004129c967ad123f5434f4",
    "signature": "0x4158166e911e5c88cb7bb5e7728d10ce33491c69f957a1311211ed2149ab00b642bfda7fc2b024dbc04e144e734d6a07adfca5dd6e46eba3be1ad172d503ef351c",
    "signer": "0x0E5E64AF429524C8BFf63b8e92dC2709D672C436",
    "userId": "362390392"
  }
}