{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x82b7a32a3ea9297a31042d0560561c1ee5aa7ad68525fe0918e6554b0401bf86",
    "signature": "0x2d9ba3bf578067d1d01e1865788cc5cd88b9d7f8985c333737bfcffeadc36f9a34d46092a30690284aeed1bdc6e600e2801a7f7c3add8a9c253c3a21c7b818d31c",
    "signer": "0x6124CF3cBdc678B30cAB8d4312DEAbDd093d8A91",
    "userId": "557666705"
  }
}