{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1365072",
    "entityType": "User",
    "nonce": "0x25a398dccccaec57152e35a7029df2a6c1a5f2e8236a378feff2d05db65ffa8d",
    "signature": "0xddc420abda1fbfcb249d19295ff10c1da416faa7db22583ce790585cad017b18512fe52bff5eb05cfd8d4dda1ff5f923a461879b6e85420003e6975c0f9c9fb01c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}