{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "737941",
    "entityType": "User",
    "nonce": "0x95e342d041c13402a882be24510801ba6f094509f73be28d93c3ceb09a96a4b4",
    "signature": "0x433b4a71d74d7c51af940986b59257de27dd6f5f8273ef47869a65635ddac736331daa399807cd8070ac45ab393eaf2d2f96f8f3c95f570b839b7b2f8b9078b01c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}