{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "444463",
    "entityType": "User",
    "nonce": "0x5246dd322a8e14bfad31484b00be65114225b53d593128eddbcaaacd517d2a55",
    "signature": "0x898570dad2204554174c10f597c95e4f952af3e2d6d11a97c6456a311fb260630e595a317d6069913bd25beb31c70ba1150d19a0b48f2d879882724ba72e8fd91b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}