{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59936",
    "entityType": "User",
    "nonce": "0x709abbfffd8768619fbbf76f3e5b93b3ca68d0729612f0beaf56478c1d3e1c47",
    "signature": "0x9f6ef0beb3fd2357dfde6b084c9a191741a664d74d4d9143fa4fe0a31f0246c80a8dc883d161b78092fcb9c33fcbdcb4f6586ee71ae6f6c219d3d392fbbc62851c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}