{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42524",
    "entityType": "User",
    "nonce": "0x348f98152149b524b18708e4024c08be31032320900a1b043ab6ebbc516b4e01",
    "signature": "0xb11ad62430369f47030804e298d3ea2b453f7a7b2ffdc5cb48847312ae21bdb63da7fb4a1b599ed0fdaa9505b1ab861831696e67cba0dd039edb59371da1211f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}