{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0xab3240f329e1df579ad90f0237d3425fe5a14365b2915dc9a8da0423c70898ec",
    "signature": "0xc4601bfc8b8a406be1890d97cbdc1903f794f901a50ea952fa3dc7e3e3b5bbc76b8bbb7df374bdb572b2d55b8c64bca295ab8d70b42a3f4e30c06fa2d0ced5271c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}