{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "260411",
    "entityType": "User",
    "nonce": "0x0e975f8c4f402580196e7f688f2d0b826e0dc9d19d78fd9a49969fa53017226a",
    "signature": "0x1adb29ba11bead3b0f330cb85f16b764d0545bce13770aefc1860adfca2ec7fc24ca5df6b05af337c9e35c6bd9322fed25b62c62d5cf98b094d5f296d57fd4851c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}