{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129166385",
    "entityType": "User",
    "nonce": "0xe4faafc480d8a353009ea48dd5dd842d693270f262aee069bf4c20f93fd3a59e",
    "signature": "0x6c73f26e47376607e1af28a1c63afc962dd0b038ca19ddc868e399d44b94620e1d8d1debb63b1a85ca87221c09955ba7f8f9b2231973e46d32298cbf684b3fae1b",
    "signer": "0xD0f51E232A92DDc965FB1FE51d04200D15d10fc1",
    "userId": "536634479"
  }
}