{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xaf07cc4ff852e7514209aafb63fbc486b54baf98bbe53951a53af2759cc7b64d",
    "signature": "0xf15d8dcb19b2be796a356433faea1c2b6081fdf4275c23754812a696e48ced474bf10bc0a7a74bef52272e32b269bb30bdee4d14990cd15a3eb6fedbbb3750d61b",
    "signer": "0x67f0DD24C108EB5Da1Bb212489834f2f6912C5B7",
    "userId": "512888028"
  }
}