{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115753",
    "entityType": "User",
    "nonce": "0x327b450ccbd041394ae39dd61f5eb436e16e7c1a5c22fbf9fe2ab713cdead7d3",
    "signature": "0x5a6f8415512ebffd8f0dd3f9caa7362c38ab800c3d3ea8ea6e1181b2f56051c500abce0a36b3841a3e594d74dfb125ca783b659285ec802e1ca4594efe27a62b1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}