{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x602f59b0e96fa589f29cd2778afb6d978bf6e317ff40aea61f801a186a637e77",
    "signature": "0xbc7dad2465da291c4b992f59ca4d10b772a70badf4953c98afed65161d8919b71cfb609daf5844475cd551ee75045202e012772494e4488390b41e4809c6bd281c",
    "signer": "0x05e1b9547c7Ffd429e26c3c16Da63464C26E36Ce",
    "userId": "535313888"
  }
}