{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf7ed89c54893961f13bfeab3dae46c04df8d5600eacf755dd579df37acc292b2",
    "signature": "0x862813ac46b82686232449b57e2c2adcc7a814d52f8c2b1cc563d1a510d2a0e1540dce79977b1b25871bad4d859ca01161b702ff583fde9531b9161344fdb7371b",
    "signer": "0xc3E1A1F6d24cB1f128e405594711717CaaA95FB2",
    "userId": "494935131"
  }
}