{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xf7eb1364d5ec1d074ec540100c004756b5c44aaa865947cfacb220d0e2f864dc",
    "signature": "0x5c60dbbd40088a8dcc4ddb0f00ebc167acf0111b1ef3a2c1ceeb83b94c54f0384661121a461d417b80363cedc43c1756cb271e8a83bfb0ce60dab904e0b01a751c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}