{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386127090",
    "entityType": "User",
    "nonce": "0x5e7b816483b7c12b486378e466cfdcd92e5cf9592742d26e4bad05ced4c6acba",
    "signature": "0xdd6ee19d8e7c00797e5078c337cace686c6e93fd0505a87c4e1e4fc5b6b767e570eba29c5c2f7c4633071f1db6dbb42805ad63aa59ffe39ab6237dd17682f8651b",
    "signer": "0xB37E6e788b6A39dCDcB53bf8D70077f76F5F5C26",
    "userId": "895209133"
  }
}