{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108502",
    "entityType": "User",
    "nonce": "0xde1dc2719281565b5d989e1f32cbeca760bac8d4c38b50e886b5417d3975c68e",
    "signature": "0x4abe3e6451aab6efedd89ea079ec345ec89d98cc37c06db719bcb4d18344712a7140200b05108369665c0a66e428f1f27ebc8a0b568f8e4539e97f2e74cd5c1f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}