{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932335106",
    "entityType": "User",
    "nonce": "0x1304e3b0768b44d25bc2465b903bb58eff5e51a8be2d545f0ebea024fbf1650b",
    "signature": "0x8597e77a2e2bd0f37ffaf7dc91da3daf74d114bd5a55d623886bf45085127b5a5d2133c7c39f675d77a63bcc4ffbc9a6329b55b29727c024544d59abe1aacee61b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}