{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943606732",
    "entityType": "User",
    "nonce": "0x61a2b190eab22aa3a681d834806844ac4d465ee5e7b8846166e02b163a23aa5f",
    "signature": "0xcc9f1fa4137404fce8cb23b566f5ed6471e7e9be72f1b0b84ac9d76df33d305565e21cfe452f115753be6dd246920cc7acaa9ac54b30f46985221bd2aaf864e21c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}