{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117979",
    "entityType": "User",
    "nonce": "0x9c88a3e4bcf87f2c837d3d445ce9169ce5217988814ca1f840f00a6e1b20a1f2",
    "signature": "0x2122fa151f247b1b379ed38caba200b7bff8e20bfa93f397f8c2c56fed849c1b5591d5bef8a6fb6307fd698666c762cb91523cbba0e2757a113730a0591057c81b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}