{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x10cb83ee916404b6315850a0334d70e0830dbaf0e95295ed863343e25e273c43",
    "signature": "0x6462a3c9a6077230d5a53042ce5f1043c8e40d7e96f9f81a67e0467ebdc4c6b133cbc6c9e0e84bdfdb03dd2f14524cdbfc5a394e615aa6e3291a13f8be4216151c",
    "signer": "0x6315751cB1B4678651982CBaEA1493931d57acdE",
    "userId": "785911517"
  }
}