{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xadaafb89b08995800f5aa30ec30e62c03e62429cf473236e12d4d60c03fbef7c",
    "signature": "0x695f74fa1a0f9cfd98fead92175441f87fc7d769555db7a25e3f8163b84151e6031cd0a0545de0405f4a7621d5e69e03938651a7c2c74f0f2511e6a04d8646781c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}