{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762861925",
    "entityType": "User",
    "nonce": "0x608996d983ee4af8c1bb03ae5bde76b0d576fdadedf3d50f4b1a1fac4494a1ff",
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    "signer": "0xc5b313A105704f34A9E49765708F417368EF84E5",
    "userId": "233495387"
  }
}