{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242626",
    "entityType": "User",
    "nonce": "0x160466c56bd3923bbb84106c486d920ba7dfdfb90c38a2bbd1b269b7c6885fd3",
    "signature": "0x017b995bbb2d2bdd07c3fca1d84cb73ee5a395599d54f5baae1ae2094d2be5c03a38d12411fd47ebbe02f59152dc4270f4b1fa3b35104e8fbe1ce5e28184a1e01c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}