{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62255",
    "entityType": "User",
    "nonce": "0xc0cc5958e48971cf6bda8f8e6dfbc94eb416734bd51c22db019d9e4b088a9188",
    "signature": "0x7123b4ec76126480d76cc2f9996f460bb10964e23642c19ff2447e7975d7d9e3399deb5f266db1a401e97675e7ff593e71d331b06a3dd6096380e4df865c22761b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}