{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0x85316a53cde8e155e506ef27491a90ec2af1d3c32f4e3eb89a06bf3eda5610d3",
    "signature": "0xb23b451d375c78b0b934740ab17a389fa13be2ebdce9fca723ad621766c20b552e81ab9fc2a47d2899281d2f6c2203b97e133406a1be02eadea90356794ef46c1c",
    "signer": "0x351190d422DdfF89f0f2C837782e16b5a5b6b3f2",
    "userId": "707981838"
  }
}