{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaa416e31db7d841e7ac0218bd7b6c14c7b1a2703931e93cdf4f7dbeddcbd6cd9",
    "signature": "0x960b0b360362778038895dde5b17dab92c800070a03b3040450a25052a351e0e394aad2496184f9821f193fe9501c3834481850da92d6f70bc9641934147b8fd1b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}