{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x064398a77dac63a09dfc111685fd4bedf75d0b978be808b6acc1c442c75af020",
    "signature": "0xcae46937a3fa9ac5178336c23aca4288238eca02a72f5ed8c77a65251f5a4aa976dae2bee1b918c0db7795885d22a395f266d3a8545117a09e199540592bd0271c",
    "signer": "0x3c30507939bFBf87FAC58ff7512A140BdE48C0Cb",
    "userId": "216427183"
  }
}