{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77901",
    "entityType": "User",
    "nonce": "0x259427676cabb521334ccd2867409e9074e00260efe1a2d2f352a8854dfbac4f",
    "signature": "0xcc6cbd05a58abf7cc2649210ebe0a77dd1602c61cd046bdf16c1d18a8f90be56062b6232a59317e1dc9f417024c75ba08d8eed95e16d09612d400373ec02f3071c",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}