{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117857",
    "entityType": "User",
    "nonce": "0xf715155ec3334e9207bd611f7ae10b5787aeedd2913b72bbb4eb2b41b1c245a5",
    "signature": "0xe9ac176d4d0489c4806a9ac686f2d2b143c66e68ca5e3ce8942426d77745560d3a02e3c070914d5fadc9e9ccabe6700ac6830bbc9f974d0b32aa949db8f127ab1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}