{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693365797",
    "entityType": "User",
    "nonce": "0xa7196f7b58e61dde3f4ab2b4597938a1e015e46c1ad94811921db8fde9c3c1eb",
    "signature": "0x55da87ba84095e31da986f22d634f3236a2dda71025a239ee1d493e0815f4ebf6bb412fb5d083ea3abbd8c693ba66ad78177363abbef9c180eea81a57deeed4f1c",
    "signer": "0x57952fe23FC9B280A92679ADf900A4eB42305B07",
    "userId": "58414846"
  }
}