{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x9c30bcb345689ccad8691e865e6bab4fd720ec4bb8f6408fa84bc1e61181d4e6",
    "signature": "0xcf7f573d8a68c2528a2cbf90fe3221291d98aee9865afbfed77bb7e8168537fd45a7dc5407706c6d853f861d6230b1be156702e60580ec6ee8f4d5198e4423f91b",
    "signer": "0xc00163EC4A1f48C70D0b676b7F5c071142de6C02",
    "userId": "227991193"
  }
}