{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xb7ea3252c28d3cad6ed6d5d76a3143dedefb241f3bc725441059dd248dbdf2cd",
    "signature": "0xce0227aa80ff2dc38ff03de36411a4d909bc22dba17621f2993c96d63fd15b7f5ad4185e575eebc5176e91661e6d24d2a6554a6a59f17f8e6100204504f25e221b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}