{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xade622fac7b2f355d2e4d21a5b3043d94a82a0937ccb0f4e79cee634f7513cb1",
    "signature": "0xc58020511cf938aa23901c0ec1eda5e25a681075cd5e9bb5ca5b4c6e919e3dd95d8ee86ce5718edfddb42d9395edfb98e9d9a3b56673d835dc42da95edce5c091b",
    "signer": "0x7D66EB5C62E56222e5A40F47f9190C62E1611CD9",
    "userId": "913116841"
  }
}