{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x4738f3cce4e2c778cb021bbe01589a66879204329f4698ab1a7f82eaf815ea8c",
    "signature": "0x7310832b375a52cf3a514bc8bd1ba9ba894b90a3d3aa45056e36359f2d50611873e2d898e05d216e3213e79ea6c2aed607d1a172945bae4fb327c578cfeb48a91c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}