{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xe58ce8e8e9a9d0d5fa3b49c3666b2b5e32969155201f699ff306c9cfaed283df",
    "signature": "0x1bac9b43b3dfc05dd26d1206cdbb1795b155e0f72110d83f265f84fe74c2edc95b45bef951918a594e81a74cfa384407478e375fc461753647516f4aec97fd831b",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}