{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f34fd2a2b5d237631692b7d0aa5afc0727eb1903b65043c3a95f32547c8988e",
    "signature": "0x62b82a3b44de3037b3d6e42ea8058d1e9dbe4f9a2e27bfa9a523f1a913dee8056df924de666949a55e2de9675a9d68a90556724b011b3dbd6318f7f3d7949d361b",
    "signer": "0x1eFe7ddBC69f2C0E537B2Ca5d4f10491Ef1b58DC",
    "userId": "828399884"
  }
}