{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1432425",
    "entityType": "User",
    "nonce": "0xd2e1e25f4e31c0c58ca0f0a58deeed831dd83a225b8f19294874b4ff6081ab7b",
    "signature": "0xeb286ad5cea89b5c97c3b71f7978d0a1e29a4f33a272afc3667ef804ff3a118129fcfc359105b6cc8e91c0024347b25cd3fd772da43f94b139356198547cb4411c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}