{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037367",
    "entityType": "User",
    "nonce": "0x68e0aeb91992a4764f16a89cc490175e808c7aca331d0bffdcdc4bf343cac508",
    "signature": "0x6c9854925f0b629ce3d96395be1b67f8a87a2a4080027e6e690aa2713cc264ad74b62041c6aace1b24446d42aaea15011ae7f0062c893ca43c3932719bb272011c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}