{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5707",
    "entityType": "User",
    "nonce": "0xaf586118417b844c324e2069111545516d9476a50fff1af3c9e777ab43b5b46d",
    "signature": "0x2aae41c44e5e226fcbf55efb403152db5ad1cc2e5578f8fc40a3dd447065370c00694cea9ae9463260ac8bcfccb493b51d1b853145ebecd9a5cb7843ff2566641b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}