{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x9aabfc47198070bb6d18ba9e26a98c65ce193c381107f00336e68793c97ba5cf",
    "signature": "0x2a2490398ba5e0a4d0b94b85000486b8b8f20788c6546453ab8c3689ecf79f13318d8e1beb60499a16268c018eccca918c6baaafb1d16fdde172e7138b63dada1c",
    "signer": "0x4391C746E11181B87164C3C6DcB2EA773D749ECD",
    "userId": "729432364"
  }
}