{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xcdd7da216b4ad66f2432525fa2ddfa0648a208ffa14edd861af3372468cc05c6",
    "signature": "0xefec4f4d87bf93185dc9107f6f446626c780f4a20ad71280d6330aede9cf50c458462d9561f79144a8e08f741b9cd8cab4e93e181c4407003fbdc1051533bd751c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}