{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139390",
    "entityType": "User",
    "nonce": "0x04be9eb62fc11287d276e38d3f4e6a4d02112121b10c476858669f4c5ebe79d8",
    "signature": "0x5fa318b3c425135ec5277ddb1dfebd9ab046effeab33242f402c20fd84b7616d6d321cb9fe903cea543015a196f8bb41ca962f15ec74730cd7887a9805253a581c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}