{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x4572a82c1ea5b65f129d507c5ec4f47d6f83912caf2eed34688154447430a39f",
    "signature": "0x39a1eecc446417ae9f42464e6c9a4c20a945b49d5471e9ae5c8c1c4c2117ee271aa87cd7ffb84bd3cc74316c06b0f1157b38a0e1df36d274cd6e499a12c25dd31b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}