{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69571",
    "entityType": "User",
    "nonce": "0xb40048104b102a833771294a060bb88084756b64b55b5a1432a79c41af7ec1b0",
    "signature": "0x4b30ac0ceaba31a8affffea3bf9d8748c51e1406bc3c5cd16a2ba7e37fb2837c533d86b171b5a72e1fcdd200fb812388195bd311a4ee3cf9ddf38cbca6d019a51c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}