{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa153fe44dab1bcad366a74d95a6a7ec6cada40eb42bc934da52b5b041c0ccf7a",
    "signature": "0x8cd7d21d98cff1b2f43e0288c644fe4cbb8dd0a89cf035bf88bd851a360501a61a087240bf73ee39fcb93de271082bea8e01be09044b98d5a027ec4e40378df11c",
    "signer": "0x6B3B162a8a1d6add15f3aC1019E5825eC58DCb64",
    "userId": "710165454"
  }
}