{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "996978306",
    "entityType": "User",
    "nonce": "0x33275e5e475223a3befe0ecb5d56b8e32552473264eaf11f24843f1a4151ca85",
    "signature": "0xe6e2503fded87cd99de4ebaeb5decf155f8e0bc5ceaf2bb6db4246ef8d6afb5f0478ece955de728c07521f4c8cd72b7f3c5e4f94a99b761aa9f268927b5bd4d91b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}