{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x362a19a08b5d546d6142c61809f48b8872ef948a5ed111530e5248b8d606c859",
    "signature": "0xe8bb2abafc4b8705d71122ea9bf522c19995f4f928cd60df23c780df15df56374d7ab728a26d37bd54ced76546716e9a34907f4ad03dafeb8b26a5850664affb1c",
    "signer": "0x90c0041acE11aDfC1bb0cd6567b59c5804861264",
    "userId": "97532602"
  }
}