{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295399",
    "entityType": "User",
    "nonce": "0x0246d089c561240cfb158ed84796b75ef18442c50c5c4d9bcf54ddf20d2061fe",
    "signature": "0xd61e48cc7a5c6a1bc141c24c756fead095c8f522e88c67cd49e3f25704c8ee9e7f654417aa99749e8df07b213363c3a344b2af49ad81138403dfd0dd118739c81b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}