{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370554049",
    "entityType": "User",
    "nonce": "0xab720be7d0ca63109d29e1bc8e1513dead5df2dd3034af41cfb766c47332387f",
    "signature": "0xacc26cd57324f73b785e482c18b7336658279e403a9524733f2905992c4412ba05180dde31ea6b842f67944a3e2333fbc065a0258d1d75b33e3bba7769859be81b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}