{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0x7a99de057f080c8bc4b1f2a572106815078d0997a9b0a17a14c8403df7ab9b73",
    "signature": "0x706791e6e5a80f3d9d9cb0d353f749c3c5c90b90dbd90cf898b8c9bc429220251fc6b2bbb93094484121d86ceb382d4cea0afe338c41f53810193a576ff7b5d01c",
    "signer": "0xfeBBAF2B7d9F5bE3DAA34bEe70259f61ac4aB836",
    "userId": "139146722"
  }
}