{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xebf2eeddd6e9146418ddd9df7b63d6cf2d5e4f0ab4ae99f9ccfc85655ab4226e",
    "signature": "0xa2e251e8b360673e376a29d45dd7988c0ddcecbc7d7fc4637b894d2443371c463162bc7f14fea64083b607b31b650bba0c5c8f17985985e350ff59ef3f1952ba1b",
    "signer": "0x82CC8e74D49aBA1111AFDa9c112896606916318f",
    "userId": "314400244"
  }
}