{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78483",
    "entityType": "User",
    "nonce": "0xbe9ef8b7536d202eb29c82be7c54f7bf26a013ecf39e2b627eab7b0c78d916ef",
    "signature": "0x49d73585054f6fe6f7d0af597b17eb1d26f24d3284ad13dda2ae6db42bb7bd080eeaf5d65db621b93852f4cfdef1e5eb9e31f2a6ba907f99b74a50699459eded1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}