{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296507",
    "entityType": "User",
    "nonce": "0xf514979c0596cb33412a18ee1d78d5c9493f422f3516e7e5270bf703fe1eb8d8",
    "signature": "0xe46a9be2d51ca57e89487c0874720c94bded822d56f328ad18d6f0c537314afc422b282bcf9829bd9955b86f70e69e20dc45f0282b4f9821ce9ad6c5b94090d71b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}