{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "891274422",
    "entityType": "User",
    "nonce": "0xd1f5dcab83c5c4120a718f43f5fd7ac41c8769233bf40c959251d3e50caed6ff",
    "signature": "0x26c4e20299fbef9e7ac18f4a051ef353307c800c9a259d4f356dc91624ac7f08151a0ec1014c467c566189e13ae0704f8b7d3366792822f6cd51684cb4e961a11b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}