{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235658",
    "entityType": "User",
    "nonce": "0x5fecefcee5334b013f2f9b88800581828e665dcd24f99579d16ea4c894de9537",
    "signature": "0xa656f911f1ab1c719a4606fe49c6ae91becdd75b69c6bb229e635b721644160115c2fc73aaf5bab262031cd2e3187c30bad22b6b6064eec7ddbd066e33846fff1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}