{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929283620",
    "entityType": "User",
    "nonce": "0x32c9c5f542b266dff99e604ab745bf05b29f8a23a7d43ecff2bc6a2011eac4f7",
    "signature": "0x334127be538497bf76cf060e51f420701784bddc93bcc5c169d6500dcf87e8205dacf2fbed653e43af4d3c19d8fd49c00962a8d48829ca4a72ddfe69c01e03651c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}