{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0xbadea8071bd8131d9e66d238785204e6841da0095ab7902328171b756b17b98f",
    "signature": "0x1cf8587ec7191ceee77499c68f19e33f12dd03f6fd4bc2000439fda91a0259362c65d8c1fb97c790c71175bea545e45daba679a3f7a91d85047d176837902e111b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}