{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xdb36119feeef11115133c9738e48c01af5ba1b0e2de61f724783b31e72baf416",
    "signature": "0x0672e1532003d2e8110b1d78b97d060b83f0a8bb723d58e9aeefa53ce1307ae11fd6c84a73945d0ca908eb62d7d2e3f2b052e2e6ea4261845f8017841c5e89db1c",
    "signer": "0x84C613ED41323EeCe86518c76e016D159Ab92987",
    "userId": "526151937"
  }
}