{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "246408",
    "entityType": "User",
    "nonce": "0x32e29fcaabbb6759acf2983a15083fb2f61b22512177ca1a1aad7926f7f6acec",
    "signature": "0x87f327da25784dd78ea9ab945403ccbcf3a86b19393b324d359a37e2e70fd1845829bcca139cd37a5cb71d4608e6f19f7c46b8cd1bd282d4eed63a11eeeb3ae11c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}