{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1442302",
    "entityType": "User",
    "nonce": "0xacadfa133bdf0933e0bd459e29d03a60e8f80fc114cf10254675b93bfd8fd8cb",
    "signature": "0x761a2d5402c25022120ac5a562dbc5281a497d51cdb8428715a04e03f8487f344cc6edab531eb48b91b6b5de59ffb17034293c9e439c1197ae02f67aad5ef3cd1c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}