{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x427fee4145fa8297ff278279de2a87cb13839478eb682d3ba46d5013b8d81a68",
    "signature": "0xc32a301c603a17ff895b022be70acdbe0a248ba479f8143f213d9f50f1ee512f20ea69efcd0419855d51a84fae011e755f4921c567b82d9e078eef1ccefc5fab1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}