{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x60d65d24b89fcd98c44fb898db1bbce9064d1f83146b4442682dc9d544c4d27b",
    "signature": "0xb69ef7dc1e21e9050af1ae41c9f9a03d3ae8d1071dfe4ed90574e4d89035bd037a3eedbb921ec20481140fb31afc62acd03059781372376ddb36c396a7c08b531b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}