{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967215477",
    "entityType": "User",
    "nonce": "0x28c371b3f09f359d19e39bce153019607eae5f3c36d5efaa6998d5ed2913d398",
    "signature": "0xd60021c0c3341120bce4c3aeb9d7e107ff425e38aac8e86a679a496f26703998238fcd98f216478f4fe1d130130f4a626072b5fcfe32a7f4413a6c93bb6971191b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}