{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108417",
    "entityType": "User",
    "nonce": "0xccded65263ea1a1d93a182295039f5e8da7aad953434edb0775e9f5bc7a64f58",
    "signature": "0xf3e622e59eef39d25dca22baf2aa41797caf4b87ce42ab0ed6a44b547700717f184e599e1ffa6ba87c8d404c9248438fdbc1283d25ee6fc919752aaa979195501b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}