{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3190",
    "entityType": "User",
    "nonce": "0xd6f66be1f5b220fa7fca6745c8f77c855c5b6e5df741b20f2d323fa9147186c4",
    "signature": "0x1be5d1feef97f63d5899d72c42c495c0e3771bdb8d55b1b5d9e792eeb76f12c32102f09f59a17a753e64fbb7d93af8ee8935b38fa303d5552627109314abe3ae1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}