{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72752",
    "entityType": "User",
    "nonce": "0x1a69869aa7d8d8639c28463d241479ed2e528145ba858f252ec9290fed7e7c08",
    "signature": "0x4c47210b8daca9c3171129a38c82a412580e534c1f2c2577092c227235ee891119460478299eeaf81e166f0493d0d171eed206547a5746ce8054544a9d9b325e1b",
    "signer": "0x8ce8B4fd5ED050E67C0aac70eAB0a188FD71eeC2",
    "userId": "757523374"
  }
}