{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6327",
    "entityType": "User",
    "nonce": "0xf7978e473098d5a0827778d98c9381b1e88b016a93e5eaa43903993c88c8cdc6",
    "signature": "0x1997c6dc342afea33aeeef94b421e7789b4f8e5c5dd461bdd6c8e1a0383a1f2649e1d64d0a6e23f70315bcf0b7090f511460d93002d350426ed363f16961a2f41b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}