{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882766",
    "entityType": "User",
    "nonce": "0x66a9593722e110482c258d95ee049502a36113625509e0a618b0245983637eca",
    "signature": "0x0f34f51a018ed9822f18016cd285f5c06e5bac7ad4d15b316ed1e185f927df5607be5b3aba3ad838cd7db54aed0ee93658194d7a4c12212ba1c7251a803b21041c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}