{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "505028",
    "entityType": "User",
    "nonce": "0xc5f699a2179ae8fd8f77404273bfc974d2e827331b1662366ddafa54c0066d5b",
    "signature": "0x95417d7072cec8344689f1808d30266d5178508de5c35c8e447454c65db6694f3f03d91abd20a1cdb204f8bae713d3936e97172389568104954541cf5d0363fc1c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}