{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xb4eedc3bd107f899a71dd833df98b6abbd9b5ada3561f3fa6547b1e544988076",
    "signature": "0x642ac399f8a5daa113620b25fb4192bef27de22434d2184b63951fff882884be1916901d9d900988d3b11864a55ebcfe6a01878eef462bf4b708d2ac564a10451b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}