{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13192",
    "entityType": "User",
    "nonce": "0x0b4bfd2aa3a6810d49b842034e784bc7bbce25fe081f9a122800883edfa308f5",
    "signature": "0xf1324d28ca55d6104d90dc4ccd2f3c163b64893f66c9e5b99d0ccfe2693416a82cb5f8bc49c67e5e8ed68c5e715259a6cc9590190df98dacdfabcb620ee2088a1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}