{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8092df94b594a8cf60b577727c268322be7b9127c0206a9ac211d0e0d525457e",
    "signature": "0x18734605f09956912b3d43411f292bf04d38fc5f1b2d63130e1c94ae4307c9c46e5c1d1fc377f127e6a96f6bbfb191dd3a1e75cb0c18c590189052d5b0b8abd91c",
    "signer": "0xA17F7ca5a0262aF50A57FFc2C2f304165deB7CC5",
    "userId": "305122989"
  }
}