{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x12b15a10c1c11ffea6069aa0887d7dcc4edb4fa582f40c30cd6a67cd9c9ced81",
    "signature": "0xc216830e5e06d85a512f6f845795a4a4c2d4c9809d83c12c887a4d8e422db4b50090dc92e66ab0671414daed7d7fd8d7f2b8d688b2f04df505583e25bc759ca31c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}