{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x5797cb44c531abf8a48b3ab2fb975c1e371ee052aa4b10dce68ebd0aa2925a0c",
    "signature": "0x6620d5a09dda572ac8690688889e8f661e5f94d7ecd12834a65a2e5a2efb33620a1f05982c259b89fde7f62d60080ac58309d7d6a6208766b0dc8eab66f6ba401c",
    "signer": "0x0b2DB947a0dEc4669AB6C159D05c905EE0B3D7bc",
    "userId": "300386755"
  }
}