{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1709468",
    "entityType": "User",
    "nonce": "0xde457cc7da25a9de937e3cd371154c85fa20227c491dc3bfc80fe83e6c4a1083",
    "signature": "0x242c7e322cd50acf066ef5986a587c2a3160cdfd0b03d50e66abc7a5eecde68020050d89856333b142e1a62509da16759d675776f66037e9c3d351c74a50aee71b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}