{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "908506084",
    "entityType": "User",
    "nonce": "0x7add33f263a42dad9fd723e4ecc9173088752c2a792afe89c10e8406b0be422d",
    "signature": "0x2eaf1ba901a4ddbd45feef7af691ad4c0802f82277c72f88d2cdb7e7f64442241ccc362a137f8cdf7730205d4569d70a529e17ffc678c93300488f272762d7931c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}