{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x1ca07d3ec801877fdcae29cf5f645556650e389ba882d4242144245e4de56a30",
    "signature": "0x77381989e20b56e1cec691034d03a865eb1e4d3646592e5593fb63992c562c3a0cceb0183d13b6eaee8cda471f5cf53b1d5c88d51236c3d62872a3ea01198ca51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}