{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119849",
    "entityType": "User",
    "nonce": "0x0f6be05927000120a7bc89f1355565d8877c453432d5a7397dc03d65f2692c08",
    "signature": "0x67e1f09e561dc96165240b931f306224e05bf276934e9faed24e9d30013c64fb0fc7dd1511d583a8a54c69322cd180257d84d372d15269fd8d79a4da89d841d21b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}