{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0x43ff0774c3307553e86bf42acc6d97d7bdcfe5f1df90c369bda007b05700b439",
    "signature": "0x553c0e1eca66039e423d1e28a26a217d03cc3e32de32a5c51e7b44b1817ec3c67baf56f556e1e3131b0b05731d647e1b936a735f3d15c05be03c0c4f915e04bd1c",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}