{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1886174",
    "entityType": "User",
    "nonce": "0x24b816972a245a0fb1aedf614e59cb18e0529e7ae9c0779e1294dc6940ad8b37",
    "signature": "0xeea400556ccf2519f236481f23b58b4f432b5271532c043fd7b9e8803445e3e94a40336d141851ff9c1d242b5affee5af507abca2ef9aa78aea579f146f3c4b81c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}