{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0307709c190a4f35ce3fe409ea880a64f37b65d8c553a9961521baddc30472dd",
    "signature": "0xe2782a70124556aedd08be535eddd21d6cb457c6b0ffed15c1a5c5d988b5a0981328c86a408768cb7c35fe7fe02d1d6e5407c3dd745d656e532ad6250e7cab3a1b",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}