{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232777",
    "entityType": "User",
    "nonce": "0xeed8cd55700cb60f09e4e161a625927480318aba62101dfb556b3cb23d714b61",
    "signature": "0xde8bca97b8282197b30f4046f4e4965439edba4a0d0345974e91edd4f2f9d6cc48b465e5d9daafda526983f97ae4c2b53ecb91047cc7221f8aa0cd967c8d3ed51c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}