{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x57dfa9b9352eaa6fbd135522d3cf9fdb376599b69732706222147623d28af4df",
    "signature": "0x71e541fa2f740e55343e63c01b26ebe46d0ff6a27e853017ad0867a449fd8cdc36c73d63daf9abdcd587aa1480e6347587cdaf3f94b262996a34d608fe54b4881c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}