{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235842",
    "entityType": "User",
    "nonce": "0xa6bdc226fcaf633a03514b4e6e0f36da19481bc5e3f2347b3fab9d7262179829",
    "signature": "0x57b8e16832248371e1d0125b83517ab7b718c29163e33aa8d3bd3e2c7abaac3f4bb9fb63cecc11f34ada54cf1a345c2fac427a0fbbe24c01d3edea4326cb1d921c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}