{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0x8cb029b19b0ed84251b9d3ca4ab09c7b93a15f3c85abcd86548e8fd8a8d3a1aa",
    "signature": "0x804a4e5706965a5af07f69ae96f510629e675768788caba79721d2140160d97137aa53a784631b039152e24beda029d98ce3678c347f8b5ccb8459ca3c33cadb1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}