{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116380",
    "entityType": "User",
    "nonce": "0x2b4d1591c69b1964a61815d14359426ef7c81f10ce1e5f12b79467d760d3d572",
    "signature": "0x0a8e1a187350fb34d1892032de3189bfa34bf994fcf8535b13117e83030cd1f1450b11b0f72bacea34472fea5a64b5e27b65d5d38f99a2cac9a4a6981805bffe1c",
    "signer": "0x19Ef7aB90A425646F24020D3b88Fd21BC2ADb4b9",
    "userId": "438301978"
  }
}