{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63781",
    "entityType": "User",
    "nonce": "0x597297bc91938985b2764219185fca0b1442d5cf62c497527793a675752f5db6",
    "signature": "0x1edeac5593d99a9896144ab4dde711f0baa12604e4abaee51ceffb4de1db5e5f453e19c1009f3b3e91747af9d621dffa43c3dfeadf10b0bd65416024c15c59de1b",
    "signer": "0x7Da2fA8f016d53f0F53f4688eE19Cfe4E8cc3238",
    "userId": "86311"
  }
}