{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89210",
    "entityType": "User",
    "nonce": "0xf4084a3dceb2b66cfd83e3f4a4008360bf1b2b37cbabd6b3ac97cd043ef6f865",
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    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
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}